SproutSmart
SproutSmart Intelligent Garden Sowing

Flat Dutch · Cabbage

Zone 9a Save Garden

Planting Schedule

Add Flat Dutch to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsFeb 6th
Last FrostMar 6th
Transplant / Direct Sow OutdoorsMar 6th
Harvest BeginsJun 14th
Harvest EndsNov 26th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 32°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity100
Sun RequirementsFull Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)45
Min Soil Temp (°F)40
Min Night Temp (°F)32
Harden Off (days)6
Expert Note: For best storage quality, transplant into cool weather and avoid heat stress—harvest after heads fully firm up, not before.